1e1051a39Sopenharmony_ci/*
2e1051a39Sopenharmony_ci * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
3e1051a39Sopenharmony_ci *
4e1051a39Sopenharmony_ci * Licensed under the Apache License 2.0 (the "License").  You may not use
5e1051a39Sopenharmony_ci * this file except in compliance with the License.  You can obtain a copy
6e1051a39Sopenharmony_ci * in the file LICENSE in the source distribution or at
7e1051a39Sopenharmony_ci * https://www.openssl.org/source/license.html
8e1051a39Sopenharmony_ci */
9e1051a39Sopenharmony_ci
10e1051a39Sopenharmony_ci/*
11e1051a39Sopenharmony_ci * DES low level APIs are deprecated for public use, but still ok for internal
12e1051a39Sopenharmony_ci * use.
13e1051a39Sopenharmony_ci */
14e1051a39Sopenharmony_ci#include "internal/deprecated.h"
15e1051a39Sopenharmony_ci
16e1051a39Sopenharmony_ci#include "des_local.h"
17e1051a39Sopenharmony_ci
18e1051a39Sopenharmony_civoid DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,
19e1051a39Sopenharmony_ci                      DES_key_schedule *ks1, DES_key_schedule *ks2,
20e1051a39Sopenharmony_ci                      DES_key_schedule *ks3, int enc)
21e1051a39Sopenharmony_ci{
22e1051a39Sopenharmony_ci    register DES_LONG l0, l1;
23e1051a39Sopenharmony_ci    DES_LONG ll[2];
24e1051a39Sopenharmony_ci    const unsigned char *in = &(*input)[0];
25e1051a39Sopenharmony_ci    unsigned char *out = &(*output)[0];
26e1051a39Sopenharmony_ci
27e1051a39Sopenharmony_ci    c2l(in, l0);
28e1051a39Sopenharmony_ci    c2l(in, l1);
29e1051a39Sopenharmony_ci    ll[0] = l0;
30e1051a39Sopenharmony_ci    ll[1] = l1;
31e1051a39Sopenharmony_ci    if (enc)
32e1051a39Sopenharmony_ci        DES_encrypt3(ll, ks1, ks2, ks3);
33e1051a39Sopenharmony_ci    else
34e1051a39Sopenharmony_ci        DES_decrypt3(ll, ks1, ks2, ks3);
35e1051a39Sopenharmony_ci    l0 = ll[0];
36e1051a39Sopenharmony_ci    l1 = ll[1];
37e1051a39Sopenharmony_ci    l2c(l0, out);
38e1051a39Sopenharmony_ci    l2c(l1, out);
39e1051a39Sopenharmony_ci}
40